/* ===== CSS Variables ===== */
:root {
    --primary: #ed4e4c;
    --primary-dark: #d93c3a;
    --primary-light: #f06664;
    --primary-50: #fef2f2;
    --primary-100: #fde8e8;

    --secondary: #4c566a;
    --secondary-light: #5e6b82;
    --secondary-dark: #3b4252;

    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;

    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;

    --white: #FFFFFF;
    --black: #000000;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input {
    font-family: inherit;
    border: none;
    outline: none;
}

ul, ol {
    list-style: none;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.25rem;
}

p {
    color: var(--gray-600);
}

/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--white);
    color: var(--gray-700);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}

.btn-secondary:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-login {
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition);
}

.btn-login:hover {
    color: var(--gray-900);
}

.full-width {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gray-900);
}

.logo-img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--gray-900);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--primary-50);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero h1 {
    margin-bottom: 24px;
}

.hero h1 .highlight {
    color: var(--primary);
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-trust {
    padding-top: 32px;
    border-top: 1px solid var(--gray-200);
}

.hero-trust > p {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.trust-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat strong {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat span {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-200);
}

/* Hero Image / Dashboard Preview */
.hero-image {
    position: relative;
}

.dashboard-preview {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
}

.preview-dots span:first-child {
    background: #EF4444;
}

.preview-dots span:nth-child(2) {
    background: #F59E0B;
}

.preview-dots span:last-child {
    background: #10B981;
}

.preview-title {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.preview-content {
    display: flex;
    padding: 16px;
    gap: 16px;
    min-height: 300px;
}

.preview-sidebar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 48px;
}

.sidebar-item {
    height: 40px;
    background: var(--gray-100);
    border-radius: var(--radius);
}

.sidebar-item.active {
    background: var(--primary-100);
}

.preview-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.preview-card {
    background: var(--gray-50);
    border-radius: var(--radius);
    padding: 12px;
}

.preview-card.large {
    flex: 1;
}

.card-header {
    height: 12px;
    width: 40%;
    background: var(--gray-200);
    border-radius: 4px;
    margin-bottom: 12px;
}

.card-chat {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 8px;
}

.chat-bubble {
    height: 24px;
    border-radius: 12px;
    max-width: 70%;
}

.chat-bubble.received {
    background: var(--gray-200);
    align-self: flex-start;
    width: 60%;
}

.chat-bubble.sent {
    background: var(--primary-100);
    align-self: flex-end;
    width: 50%;
}

.preview-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.preview-card.small {
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-100);
    border-radius: var(--radius);
}

.card-icon.whatsapp {
    background: #dcfce7;
}

.card-icon.instagram {
    background: #fce7f3;
}

.card-icon.telegram {
    background: #dbeafe;
}

.card-text {
    flex: 1;
    height: 24px;
    background: var(--gray-200);
    border-radius: 4px;
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

.card-ai {
    top: 20%;
    left: -40px;
    animation-delay: 0s;
}

.card-channel {
    bottom: 20%;
    right: -30px;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    border-radius: var(--radius);
}

.floating-icon.success {
    background: #D1FAE5;
}

.floating-text strong {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-900);
}

.floating-text span {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 50%;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--white) 100%);
    z-index: -2;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 1) 0%,
        rgba(255, 255, 255, 0) 30%
    );
}

/* ===== Section Styling ===== */
section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-50);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-tag.light {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.125rem;
}

/* ===== Problems Section ===== */
.problems {
    background: var(--gray-50);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.problem-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FEE2E2;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.problem-card h3 {
    margin-bottom: 12px;
}

.problem-card p {
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ===== Solution Section ===== */
.solution .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-content h2 {
    margin-bottom: 20px;
}

.solution-content > p {
    font-size: 1.125rem;
    margin-bottom: 32px;
}

.solution-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.solution-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--gray-700);
}

.solution-list li strong {
    color: var(--gray-900);
}

/* Solution Visual */
.solution-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-circle {
    position: relative;
    width: 400px;
    height: 400px;
}

.circle-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
}

.visual-circle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 280px;
    height: 280px;
    border: 2px dashed var(--gray-200);
    border-radius: 50%;
}

.orbit-item {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.orbit-item.item-1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.orbit-item.item-2 {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.orbit-item.item-3 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.orbit-item.item-4 {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.orbit-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.orbit-item span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-600);
}

/* ===== Features Section ===== */
.features {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card.featured {
    grid-row: span 2;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
}

.feature-card.featured .feature-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.feature-card.featured h3,
.feature-card.featured p {
    color: var(--white);
}

.feature-card.featured p {
    opacity: 0.9;
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-50);
    color: var(--primary);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.9375rem;
    line-height: 1.6;
}

.feature-list {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.9);
}

.feature-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
}

/* ===== How it Works Section ===== */
.how-it-works {
    background: var(--white);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
}

.step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 24px;
}

.step-content h3 {
    margin-bottom: 12px;
}

.step-content p {
    font-size: 0.9375rem;
    max-width: 240px;
}

.step-connector {
    width: 60px;
    height: 2px;
    background: var(--gray-200);
    margin-top: 32px;
    flex-shrink: 0;
}

/* ===== Results Section ===== */
.results {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
}

.results-content {
    text-align: center;
}

.results-content h2 {
    color: var(--white);
    margin-bottom: 48px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.result-card {
    padding: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
}

.result-value {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.result-label {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.8);
}

/* ===== Testimonials Section ===== */
.testimonials {
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
    border-radius: 50%;
}

.author-info strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--gray-900);
}

.author-info span {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

/* ===== Pricing Section ===== */
.pricing {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    position: relative;
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.pricing-header p {
    font-size: 0.9375rem;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 32px;
}

.pricing-price .currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-600);
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
}

.pricing-price .amount.custom {
    font-size: 1.75rem;
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--gray-500);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--gray-700);
}

/* ===== FAQ Section ===== */
.faq {
    background: var(--gray-50);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    text-align: left;
    transition: all var(--transition);
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question svg {
    flex-shrink: 0;
    color: var(--gray-400);
    transition: transform var(--transition);
}

.faq-item.active .faq-question svg {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ===== CTA Section ===== */
.cta {
    background: var(--secondary);
    color: var(--white);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content > p {
    font-size: 1.125rem;
    color: var(--gray-400);
    margin-bottom: 40px;
}

.cta-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.cta-form input {
    width: 100%;
    padding: 16px 20px;
    background: var(--secondary-light);
    color: var(--white);
    font-size: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: all var(--transition);
}

.cta-form input::placeholder {
    color: var(--gray-400);
}

.cta-form input:focus {
    border-color: var(--primary);
    background: var(--secondary-dark);
}

.cta-form button {
    margin-top: 8px;
}

.cta-disclaimer {
    margin-top: 24px;
    font-size: 0.8125rem;
    color: var(--gray-400);
}

.cta-disclaimer a {
    color: var(--gray-300);
    text-decoration: underline;
}

.cta-disclaimer a:hover {
    color: var(--white);
}

/* ===== Footer ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-img {
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 0.9375rem;
    color: var(--gray-400);
    margin-bottom: 12px;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid var(--gray-800);
}

.footer-bottom p {
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 0.875rem;
    transition: color var(--transition);
}

.footer-legal a:hover {
    color: var(--white);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }

    .floating-card.card-ai {
        left: 10px;
    }

    .floating-card.card-channel {
        right: 10px;
    }

    .problems-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solution .container {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .solution-visual {
        order: -1;
    }

    .visual-circle {
        width: 320px;
        height: 320px;
    }

    .visual-circle::before {
        width: 220px;
        height: 220px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }

    .steps {
        flex-wrap: wrap;
        justify-content: center;
    }

    .step {
        flex: 0 0 45%;
    }

    .step-connector {
        display: none;
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .pricing-card.popular {
        transform: none;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions .btn-login {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    section {
        padding: 60px 0;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .trust-stats {
        flex-wrap: wrap;
    }

    .problems-grid {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .feature-card.featured {
        grid-column: span 1;
    }

    .step {
        flex: 0 0 100%;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .result-value {
        font-size: 2.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .visual-circle {
        width: 280px;
        height: 280px;
    }

    .visual-circle::before {
        width: 180px;
        height: 180px;
    }

    .orbit-icon {
        width: 44px;
        height: 44px;
    }

    .orbit-item span {
        font-size: 0.625rem;
    }

    .floating-card {
        padding: 10px 14px;
    }

    .floating-icon {
        width: 36px;
        height: 36px;
    }

    .floating-text strong {
        font-size: 0.75rem;
    }

    .floating-text span {
        font-size: 0.625rem;
    }
}